CNVD-2021-50587

Vulnerability from cnvd - Published: 2021-07-14
VLAI Severity ?
Title
Cisco IOS和IOS XE权限提升漏洞
Description
Cisco IOS是美国Cisco公司为其网络设备开发的操作维护系统,用户通过命令行人机界面对网络设备进行功能设置。 IOS XE是为其网络设备开发的一套基于Linux内核的模块化操作系统。 Cisco IOS和IOS XE的Dragonite调试器存在权限提升漏洞,该漏洞源于设备上保留了开发测试和验证脚本,本地认证攻击者可利用该漏洞将权限从15级提升到root权限。
Severity
Patch Name
Cisco IOS和IOS XE权限提升漏洞的补丁
Patch Description
Cisco IOS是美国Cisco公司为其网络设备开发的操作维护系统,用户通过命令行人机界面对网络设备进行功能设置。 IOS XE是为其网络设备开发的一套基于Linux内核的模块化操作系统。 Cisco IOS和IOS XE的Dragonite调试器存在权限提升漏洞,该漏洞源于设备上保留了开发测试和验证脚本,本地认证攻击者可利用该漏洞将权限从15级提升到root权限。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description

厂商已发布了漏洞修复程序,请及时关注更新: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-FSM-Yj8qJbJc

Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-FSM-Yj8qJbJc
Impacted products
Name
['Cisco Catalyst IE3300 Rugged Series Switches', 'Cisco Catalyst IE3400 Rugged Series Switches', 'Cisco Catalyst IE3400 Heavy Duty Series Switches', 'Cisco Embedded Services 3300 Series Switches', 'Cisco Catalyst IE3200 Rugged Series Switches']
Show details on source website

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-1391",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-1391"
    }
  },
  "description": "Cisco IOS\u662f\u7f8e\u56fdCisco\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7ef4\u62a4\u7cfb\u7edf\uff0c\u7528\u6237\u901a\u8fc7\u547d\u4ee4\u884c\u4eba\u673a\u754c\u9762\u5bf9\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u529f\u80fd\u8bbe\u7f6e\u3002 IOS XE\u662f\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\n\nCisco IOS\u548cIOS XE\u7684Dragonite\u8c03\u8bd5\u5668\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8bbe\u5907\u4e0a\u4fdd\u7559\u4e86\u5f00\u53d1\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u811a\u672c\uff0c\u672c\u5730\u8ba4\u8bc1\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6743\u9650\u4ece15\u7ea7\u63d0\u5347\u5230root\u6743\u9650\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-FSM-Yj8qJbJc",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-50587",
  "openTime": "2021-07-14",
  "patchDescription": "Cisco IOS\u662f\u7f8e\u56fdCisco\u516c\u53f8\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u64cd\u4f5c\u7ef4\u62a4\u7cfb\u7edf\uff0c\u7528\u6237\u901a\u8fc7\u547d\u4ee4\u884c\u4eba\u673a\u754c\u9762\u5bf9\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u529f\u80fd\u8bbe\u7f6e\u3002 IOS XE\u662f\u4e3a\u5176\u7f51\u7edc\u8bbe\u5907\u5f00\u53d1\u7684\u4e00\u5957\u57fa\u4e8eLinux\u5185\u6838\u7684\u6a21\u5757\u5316\u64cd\u4f5c\u7cfb\u7edf\u3002\r\n\r\nCisco IOS\u548cIOS XE\u7684Dragonite\u8c03\u8bd5\u5668\u5b58\u5728\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u8bbe\u5907\u4e0a\u4fdd\u7559\u4e86\u5f00\u53d1\u6d4b\u8bd5\u548c\u9a8c\u8bc1\u811a\u672c\uff0c\u672c\u5730\u8ba4\u8bc1\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5c06\u6743\u9650\u4ece15\u7ea7\u63d0\u5347\u5230root\u6743\u9650\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco IOS\u548cIOS XE\u6743\u9650\u63d0\u5347\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "Cisco Catalyst IE3300 Rugged Series Switches",
      "Cisco Catalyst IE3400 Rugged Series Switches",
      "Cisco Catalyst IE3400 Heavy Duty Series Switches",
      "Cisco Embedded Services 3300 Series Switches",
      "Cisco Catalyst IE3200 Rugged Series Switches"
    ]
  },
  "referenceLink": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-XE-FSM-Yj8qJbJc",
  "serverity": "\u9ad8",
  "submitTime": "2021-03-25",
  "title": "Cisco IOS\u548cIOS XE\u6743\u9650\u63d0\u5347\u6f0f\u6d1e"
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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